InjectionsPituitary Hormone-Releasing HormonesAnestrusInjections, IntraperitonealDisease Models, AnimalSheepMice, Inbred BALB CTime FactorsAntibody FormationDrug Administration ScheduleDose-Response Relationship, DrugRats, Sprague-DawleyMice, Inbred C57BLInjections, IntramuscularInjections, IntravenousInjections, IntralesionalInjections, SubcutaneousInjections, Intra-ArticularInjections, IntradermalInjections, EpiduralInjections, IntraventricularInjections, Intra-ArterialIntravitreal InjectionsInjections, SpinalInjections, JetInjections, IntraocularFlow Injection AnalysisMicroinjectionsSubstance Abuse, IntravenousSperm Injections, IntracytoplasmicSyringesNeedlesRats, WistarAnesthetics, LocalVitreous BodyTriamcinolone AcetonideRabbitsTriamcinoloneTissue DistributionNeuromuscular AgentsBotulinum Toxins, Type ARats, Inbred StrainsLidocaineLiverGenetic TherapyPain MeasurementNeedle SharingPainGenetic VectorsTreatment OutcomeBrainContrast MediaNeoplasm TransplantationDrug Administration RoutesGene Transfer TechniquesPregnancySpleenBehavior, AnimalRandom Allocation